diff options
Diffstat (limited to 'arch/blackfin')
-rw-r--r-- | arch/blackfin/kernel/setup.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 8d789282013..298f023bcc0 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -477,9 +477,11 @@ static __init void parse_cmdline_early(char *cmdline_p) } else if (!memcmp(to, "clkin_hz=", 9)) { to += 9; early_init_clkin_hz(to); +#ifdef CONFIG_EARLY_PRINTK } else if (!memcmp(to, "earlyprintk=", 12)) { to += 12; setup_early_printk(to); +#endif } else if (!memcmp(to, "memmap=", 7)) { to += 7; parse_memmap(to); @@ -798,6 +800,11 @@ void __init setup_arch(char **cmdline_p) { unsigned long sclk, cclk; + /* Check to make sure we are running on the right processor */ + if (unlikely(CPUID != bfin_cpuid())) + printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n", + CPU, bfin_cpuid(), bfin_revid()); + #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; #endif @@ -812,14 +819,17 @@ void __init setup_arch(char **cmdline_p) memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); boot_command_line[COMMAND_LINE_SIZE - 1] = '\0'; - /* setup memory defaults from the user config */ - physical_mem_end = 0; - _ramend = get_mem_size() * 1024 * 1024; - memset(&bfin_memmap, 0, sizeof(bfin_memmap)); + /* If the user does not specify things on the command line, use + * what the bootloader set things up as + */ + physical_mem_end = 0; parse_cmdline_early(&command_line[0]); + if (_ramend == 0) + _ramend = get_mem_size() * 1024 * 1024; + if (physical_mem_end == 0) physical_mem_end = _ramend; @@ -910,10 +920,7 @@ void __init setup_arch(char **cmdline_p) else printk(KERN_INFO "Compiled for ADSP-%s Rev 0.%d\n", CPU, bfin_compiled_revid()); - if (unlikely(CPUID != bfin_cpuid())) - printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n", - CPU, bfin_cpuid(), bfin_revid()); - else { + if (likely(CPUID == bfin_cpuid())) { if (bfin_revid() != bfin_compiled_revid()) { if (bfin_compiled_revid() == -1) printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n", |